Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) shares in Thousands, $ in Thousands	Common Stock Including Additional Paid in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Total
Balance (in shares) at Dec. 31, 2021	46,256
Balance at Dec. 31, 2021	$ 803,226	$ 424,879	$ 15,880	$ 1,243,985
Net income	0	194,245	0	194,245
Other comprehensive loss	0	0	(30,566)	(30,566)
Dividends and dividend equivalents declared	$ 0	(73,204)	0	(73,204)
Common stock issued under the employee equity incentive plan (in shares)	524
Common stock issued under the employee equity incentive plan	$ 3,331	0	0	3,331
Stock-based compensation expense	$ 82,545	0	0	82,545
Common stock issued under the employee stock purchase plan (in shares)	7
Common stock issued under the employee stock purchase plan	$ 2,786	0	0	2,786
Balance (in shares) at Jun. 30, 2022	46,787
Balance at Jun. 30, 2022	$ 891,888	545,920	(14,686)	1,423,122
Balance (in shares) at Mar. 31, 2022	46,625
Balance at Mar. 31, 2022	$ 847,966	467,844	10,302	1,326,112
Net income	0	114,679	0	114,679
Other comprehensive loss	0	0	(24,988)	(24,988)
Dividends and dividend equivalents declared	$ 0	(36,603)	0	(36,603)
Common stock issued under the employee equity incentive plan (in shares)	162
Common stock issued under the employee equity incentive plan	$ 1,013	0	0	1,013
Stock-based compensation expense	$ 42,909	0	0	42,909
Balance (in shares) at Jun. 30, 2022	46,787
Balance at Jun. 30, 2022	$ 891,888	545,920	(14,686)	$ 1,423,122
Balance (in shares) at Dec. 31, 2022	47,107			47,107
Balance at Dec. 31, 2022	$ 975,276	716,403	(23,077)	$ 1,668,602
Net income	0	209,306	0	209,306
Other comprehensive loss	0	0	(20,320)	(20,320)
Dividends and dividend equivalents declared	$ 0	(98,353)	0	(98,353)
Common stock issued under the employee equity incentive plan (in shares)	495
Common stock issued under the employee equity incentive plan	$ 1,114	0	0	1,114
Stock-based compensation expense	$ 75,003	0	0	75,003
Common stock issued under the employee stock purchase plan (in shares)	9
Common stock issued under the employee stock purchase plan	$ 3,737	0	0	$ 3,737
Balance (in shares) at Jun. 30, 2023	47,611			47,611
Balance at Jun. 30, 2023	$ 1,055,130	827,356	(43,397)	$ 1,839,089
Balance (in shares) at Mar. 31, 2023	47,411
Balance at Mar. 31, 2023	$ 1,017,131	777,075	(17,945)	1,776,261
Net income	0	99,504	0	99,504
Other comprehensive loss	0	0	(25,452)	(25,452)
Dividends and dividend equivalents declared	$ 0	(49,223)	0	(49,223)
Common stock issued under the employee equity incentive plan (in shares)	200
Common stock issued under the employee equity incentive plan	$ 4	0	0	4
Stock-based compensation expense	$ 37,995	0	0	$ 37,995
Balance (in shares) at Jun. 30, 2023	47,611			47,611
Balance at Jun. 30, 2023	$ 1,055,130	$ 827,356	$ (43,397)	$ 1,839,089